APA (7th ed.) Citation

Standke, K. J., & Quirrenbach, A. (1996). The intraday variable quasar 0917+624: VLBI and X-ray observations. Astronomy and astrophysics, 306(?), .

Chicago Style (17th ed.) Citation

Standke, Katharina J., and Andreas Quirrenbach. "The Intraday Variable Quasar 0917+624: VLBI and X-ray Observations." Astronomy and Astrophysics 306, no. ? (1996).

MLA (9th ed.) Citation

Standke, Katharina J., and Andreas Quirrenbach. "The Intraday Variable Quasar 0917+624: VLBI and X-ray Observations." Astronomy and Astrophysics, vol. 306, no. ?, 1996.